PS: [rocketmouse at archlinux ~]$ uname Linux [rocketmouse at archlinux ~]$ man date | grep %V %G year of ISO week number (see %V); normally useful only with %V %V ISO week number, with Monday as first day of week (01..53) [rocketmouse at archlinux ~]$ date -u +%V$(uname) 39Linux [rocketmouse at archlinux ~]$ ;)